<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <title>Test for Bug 341604</title>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
</head>
<script type="application/javascript">
function doTest() {
  window.parent.postMessage({type: "attempted"}, "*");
  sendMouseEvent({type:'click'}, 'anchor');
}
</script>
<body onload="doTest()">
  I am sandboxed with 'allow-scripts allow-same-origin'

  <a href="file_iframe_sandbox_navigation_fail.html?Test 4: Navigate sibling iframe by name:%20" target='if_sibling' id='anchor'>
</body>
</html>
